Viewports can be rendered in various rendering modes. The viewports
can remain rendered when saving and closing the file; this allows the
file to re-open quickly, with the viewports already rendered, but also
significantly increases the file size. For this reason, a new
preference called Save Viewport Cache has been introduced in
VectorWorks 11. This setting provides the flexibility to toggle between
rendered and non-rendered views.
This preference is located in File > Preferences >
Document Preferences, on the Display tab. When Save Viewport Cache is
selected, all viewports will be rendered when a saved document is
opened. When Save Viewport Cache is deselected, all viewports will be
in wireframe view when a saved document is opened. The viewports can be
rendered using the View > Update All Viewports command.